1. 
[syn: subsequently, later, afterwards, afterward, after, later on]
The Collaborative International Dictionary of English v.0.48:
Afterwards \Aft"er*wards\, Afterward \Aft"er*ward\, adv. [AS.
   [ae]fteweard, a., behind. See Aft, and -ward (suffix).
   The final s in afterwards is adverbial, orig. a genitive
   ending.]
   At a later or succeeding time.
   [1913 Webster]
WordNet (r) 3.0 (2006):
afterward
    adv 1: happening at a time subsequent to a reference time; "he
           apologized subsequently"; "he's going to the store but
           he'll be back here later"; "it didn't happen until
           afterward"; "two hours after that" [syn: subsequently,
           later, afterwards, afterward, after, later on]